Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.51
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -5.44 -0.375 2.04
Prot (kg) -5.44 -0.441 2.40
Fertility Sub Index 9.23
Calving Interval (days) -5.39 -1.459 7.86
Survival (%) 1.22 1.117 1.36
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.97
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -1.87 -0.432 0.81
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 17.65

* Based on an €80/tonne carbon price